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      Visual Scanning in the Recognition of Facial Affect in Traumatic Brain Injury

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      i-Perception
      SAGE Publications

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          Abstract

          We investigated the visual scanning strategy employed by a group of individuals with a severe traumatic brain injury (TBI) during a facial affect recognition task. Four males with a severe TBI were matched for age and gender with 4 healthy controls. Eye movements were recorded while pictures of static emotional faces were viewed (i.e., sad, happy, angry, disgusted, anxious, surprised). Groups were compared with respect to accuracy in labelling the emotional facial expression, reaction time, number and duration of fixations to internal (i.e., eyes + nose + mouth), and external (i.e., all remaining) regions of the stimulus. TBI participants demonstrated significantly reduced accuracy and increased latency in facial affect recognition. Further, they demonstrated no significant difference in the number or duration of fixations to internal versus external facial regions. Control participants, however, fixated more frequently and for longer periods of time upon internal facial features. Impaired visual scanning can contribute to inaccurate interpretation of facial expression and this can disrupt interpersonal communication. The scanning strategy demonstrated by our TBI group appears more ‘widespread’ than that employed by their normal counterparts. Further work is required to elucidate the nature of the scanning strategy used and its potential variance in TBI.

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          Author and article information

          Contributors
          Journal
          Iperception
          Iperception
          IPE
          spipe
          i-Perception
          SAGE Publications (Sage UK: London, England )
          2041-6695
          1 May 2011
          May 2011
          : 2
          : 4
          : 250
          Affiliations
          Department of Clinical Vision Sciences, La Trobe University
          School of Human Communication Sciences, La Trobe University
          School of Human Communication Sciences, La Trobe University
          Author notes
          Article
          10.1068_ic250
          10.1068/ic250
          5393669
          d344c7ec-3ed5-4ed5-bf1e-29fc825ae377
          © 2011 SAGE Publications Ltd. Manuscript content on this site is licensed under Creative Commons Licenses

          This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License ( http://www.creativecommons.org/licenses/by-nc-nd/3.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access page ( http://www.uk.sagepub.com/aboutus/openaccess.htm).

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          Neurosciences
          Neurosciences

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